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GM-82 User’s manual
12
5.2 . Manufacturing Default:
Parameter Com A Com B
Input Protocol NMEA Binary RTCM SC-104
Output Protocol NMEA Binary None
Baud Rate 4800 9600
Parity None None
Stop Bits 1 1
Data Bits 8 8
Datum: WGS84.
Protocol GGA, GSA, GSV, RMC or by demand.
5.2.1 Setting Syntax
Datum change syntax:
>DOS\Sirfprog /Fdataxx.dat –Px –Bx –Csh1
-Px: x is com port, 1= COM1 2 = COM2
-Bx: Baud rate, 4800, 9600, 19200 or 38400
Example:
Change Datum to WGS84,
Sirfprog /Fdata58.dat –P1 –B4800 –Csh1 <Entry>
After change datum, the new datum will keep in SRAM. If long time (more than 20 days) no power
supplied to GM82, user must resend datum to GM82 when power on.
5.2.2 Addition Software
SiRFdemo is the Evaluation Receiver configuration and monitoring software provided with the GM-82.
This software can be used to monitor real-time operation of the GM-82 Receiver, log data for analysis,
upload new software to the Receiver, and configure the Receiver operation. See setup.pdf for more
information on the use and operation of SiRFdemo software.